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#include <gtest/gtest.h>
#include <iostream>
#include <rfl.hpp>
#include <rfl/ubjson.hpp>
#include <rfl/json.hpp>
#include <string>
#include <vector>
namespace test_error_messages {
struct Person {
rfl::Rename<"firstName", std::string> first_name;
rfl::Rename<"lastName", std::string> last_name;
rfl::Timestamp<"%Y-%m-%d"> birthday;
std::vector<Person> children;
};
TEST(ubjson, test_field_error_messages) {
const std::string faulty_string =
R"({"firstName":"Homer","lastName":12345,"birthday":"04/19/1987"})";
const auto faulty_generic = rfl::json::read<rfl::Generic>(faulty_string);
const auto faulty_ubjson = rfl::ubjson::write(faulty_generic);
const auto result = rfl::ubjson::read<Person>(faulty_ubjson);
// Order of errors is different than input JSON because rfl::Generic doesn't preserve order
const std::string expected = R"(Found 3 errors:
1) Failed to parse field 'birthday': String '04/19/1987' did not match format '%Y-%m-%d'.
2) Failed to parse field 'lastName': Could not cast to string.
3) Field named 'children' not found.)";
EXPECT_TRUE(!result.has_value() && true);
EXPECT_EQ(result.error().what(), expected);
}
TEST(ubjson, test_decode_error_without_exception) {
const std::string good_string =
R"({"firstName":"Homer","lastName":"Simpson","birthday":"1987-04-19"})";
const auto good_generic = rfl::json::read<rfl::Generic>(good_string);
auto faulty_ubjson = rfl::ubjson::write(good_generic);
faulty_ubjson[0] = '\xff'; // Corrupt structure of ubjson encoding
rfl::Result<Person> result = rfl::error("result didn't get set");
EXPECT_NO_THROW({
result = rfl::ubjson::read<Person>(faulty_ubjson);
});
// A proposal: A generic prefix, followed by the underlying library's error output
const std::string expected = R"(Could not parse UBJSON: Unknown type at position 1)";
EXPECT_EQ(result.error().what(), expected);
EXPECT_TRUE(!result.has_value() && true);
}
} // namespace test_error_messages
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